Bryozoan cell lineage tracing

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Elucidate the origins of larval and adult tissues of a bryozoan.

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Embryonic origin of larval structures

Use cell lineage tracing to find the fate of cells after initial cleavages.

  • Which structures do they form and can this be understood as a regular ecto/meso/endo layer schema?
  • What is the fate of internalized cells after gastrulation?

Development and embryonic origin of adult tissues

  • What is the fate of larval tissues, specially the blastemas?
  • Which adult structures do they form and how development occurs?
  • Formation of coelomic cavities during metamorphosis?


  • Use gene expression patterns from typical spiral cleavage embryos to compare with bryozoan cleavage and maybe identify what might have happened during its loss.